Portable fan



FIG. 1 is a front, right side, top perspective view of portable fanshowing my new design;

FIG. 2 is a rear, left side, bottom perspective view thereof;

FIG. 3 is a front elevational view;

FIG. 4 is a rear elevational view thereof;

FIG. 5 is a left side elevational view thereof;

FIG. 6 is a right side elevational view thereof;

FIG. 7 is a top plan view thereof;

FIG. 8 is a bottom plan view thereof;

FIG. 9 is a front, right side, perspective view thereof with the base ofthe portable fan in an outward folded stand state;

FIG. 10 is a front, right side perspective view thereof with theportable fan shown in a partially folded state; and,

FIG. 11 is a front, right side, perspective view thereof showing theportable fan in its entirely closed state.

The broken lines immediately adjacent to the claimed portions areboundaries, all other broken lines are environmental structures; all thebroken lines form no part of the claimed design.

CLAIM The ornamental design for a portable fan, as shown and described.